写入文档、并读取文档

class Man implements java.io.Serializable{

  private int id;
  private String name;
  private String gender;
  public Man(){

  }
  public Man(int id, String name, String gender) {
    super();
    this.id = id;
    this.name = name;
    this.gender = gender;
  }
  public int getId() {
    return id;
  }
  public void setId(int id) {
    this.id = id;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public String getGender() {
    return gender;
  }
  public void setGender(String gender) {
    this.gender = gender;
  }
  @Override
  public String toString() {
    return "Man [id=" + id + ", name=" + name + ", gender=" + gender + "]";
  }

}

 

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.OutputStream;

public class ManTest {
  public static void write(Man m){
    OutputStream out = null;
    ObjectOutputStream objOut = null;

    try {
      out = new FileOutputStream("obj.txt");
      objOut = new ObjectOutputStream(out);
      objOut.writeObject(m);
    } catch (Exception e) {
      e.printStackTrace();
    }finally{
      try {
        objOut.close();
        out.close();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }

}

public static void main(String[] args){
  write(new Man(1,"张三","男"));
  }

}

//读取

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;

public class ManTest {

  public static Man read(){
    Man m = null;
    InputStream in = null;
    ObjectInputStream objIn = null;

    try {
      in = new FileInputStream("obj.txt");
      objIn = new ObjectInputStream(in);
      m = (Man)objIn.readObject();
    } catch (Exception e) {
      e.printStackTrace();
    }finally{
      try {
         objIn.close();
         in.close();
      } catch (IOException e) {
         e.printStackTrace();
      }
    }
    return m;
}

  public static void main(String[] args){
    Man m = read();
    System.out.println(m);
  }

}

 

posted on 2016-04-17 21:19  哈尔超的移动城堡  阅读(118)  评论(0编辑  收藏  举报

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